Tsai; Hsin-Huang
Patent Applications and Registrations
Patent applications and USPTO patent grants for Tsai; Hsin-Huang.The latest application filed is for "rotary closed-valve type vacuum suction device".
- Tsai; Hsin-Huang - Tainan TW
- TSAI; Hsin-Huang - Tainan City TW
- Tsai; Hsin-Huang - New Taipei TW
- TSAI; Hsin-Huang - New Taipei City TW
| Patent | Date |
|---|---|
| Rotary closed-valve vacuum suction device Grant 11,346,389 - Chen , et al. May 31, 2 | 2022-05-31 |
| Rotary Closed-valve Type Vacuum Suction Device App 20210404510 - CHEN; Kuo-Chang ; et al. | 2021-12-30 |
| Keystroke determination method and device thereof Grant 9,239,629 - Lee , et al. January 19, 2 | 2016-01-19 |
| Spout interlocking device of a teapot Grant 9,072,395 - Chen , et al. July 7, 2 | 2015-07-07 |
| Spout Interlocking Device Of A Teapot App 20150069093 - CHEN; Kuo-Chang ; et al. | 2015-03-12 |
| Kettle Grant D718,970 - Chen , et al. December 9, 2 | 2014-12-09 |
| Keystroke Determination Method And Device Thereof App 20140306895 - LEE; Yu-Szu ; et al. | 2014-10-16 |
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